Obs. : 2018-07-12
Planet	Ly alpha (photons/cm^2/sec)
Mercury    3.806e+11
Venus      3.821e+11
Earth      3.892e+11
Mars       3.821e+11
Jupiter    3.980e+11
Saturn     3.892e+11
Uranus     3.707e+11
Neptune    3.771e+11
Pluto      3.884e+11